Perhaps you should try some spelling variations:
manh trung » manh tung, thanh trung, manh hung
thong than » thong thanh, thong phan, thong nhan
hien hanh » dieu hanh
than toan » thanh toan, than tuan, thuat toan
hien anh » thien anh, dien anh, tien anh
cap mang » cap bang, cach mang, cap hoang
cay mang » cach mang, cay mac, cay cong
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: hoc ((hien anh) OR (hien hanh)) - manh trung ((cap mang) or (cay mang)) thong than toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: hoc ((hien anh) OR (hien hanh)) - manh trung ((cap mang) OR (cay mang)) thong than toan cau.
• The words AND, OR and NOT may confuse the search; try adding quotes: "hoc ((hien anh) OR (hien hanh)) - manh trung ((cap mang) or (cay mang)) thong than toan cau".
• Adding a wildcard symbol may retrieve word variants: hoc ((hien anh) OR (hien hanh)) - manh trung ((cap mang) or (cay mang)) thong than toan cau*.